Earthquake with magnitude of ML 1.2 on date 03-11-2019 and time 04:13:30 (UTC) in region 7 km N Courmayeur (AO)

A magnitude ML 1.2 earthquake occured in region: 7 km N Courmayeur (AO), on

  • 03-11-2019 04:13:30 (UTC)
  • 03-11-2019 05:13:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8550, 6.9630 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Courmayeur AO 7 2807 2807
Pré-Saint-Didier AO 10 1050 3857
Morgex AO 12 2104 5961
La Salle AO 15 2087 8048
La Thuile AO 15 761 8809
Saint-Rhémy-en-Bosses AO 17 338 9147
Saint-Oyen AO 20 203 9350

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.2 2019-11-03
04:13:30
45.8553 6.9632 10 2020-02-28
16:42:01
Bollettino Sismico Italiano INGV 73662901
Reviewed
Rev100
ML 1.5 2019-11-03
04:13:30
45.863 6.9637 10 2019-11-03
04:22:30
Sala Sismica INGV-Roma 73603881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-03 04:13:30 ± 0.17
Latitude 45.8553 ± 0.0090
Longitude 6.9632 ± 0.0129
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73662901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1044
Semi-minor axis of confidence ellipse (meter) 968
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.04141
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.6
Num. used stations 6
Type of magnitude ML
Reference to an origin 73603881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-03 04:22:30

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 73662901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-20 15:02:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2019-11-03T04:15:21.21 3.0 undecidable manual Sg 13.95 0
IV.CRMI.HHZ. 2019-11-03T04:15:21.60 3.0 undecidable manual Sg 12.05 0
IV.ARVD.HHZ. 2019-11-03T04:15:04.42 3.0 positive manual Pg 19.110001 0
GU.CARD.HHZ. 2019-11-03T04:15:01.69 3.0 undecidable manual Sn 2.55 0
ST.RONC.EHZ. 2019-11-03T04:14:58.91 3.0 undecidable manual Sg 12.71 0
IV.PARC.HHZ. 2019-11-03T04:14:52.49 3.0 undecidable manual Pg 14.26 0
TV.SF01.EHZ. 2019-11-03T04:14:45.55 3.0 undecidable manual Pn 5.55 0
IV.CRMI.HHZ. 2019-11-03T04:14:32.79 3.0 positive manual Pg 6.05 0
IV.MAGA.HHZ. 2019-11-03T04:14:23.60 3.0 undecidable manual Pg 9.9 0
GU.RNCA.HHZ. 2019-11-03T04:14:09.99 3.0 undecidable manual Pg 4.53 0
GU.BHB.HHZ. 2019-11-03T04:14:04.67 1.0 undecidable manual S 168 115.5954 50 0.08 20
GU.RRL.HHE. 2019-11-03T04:14:02.50 1.0 undecidable manual S 187 104.5176 50 0.85 16
GU.BHB.HHZ. 2019-11-03T04:13:50.37 0.6 undecidable manual P 168 115.5954 50 -0.02 41
GU.RRL.HHE. 2019-11-03T04:13:49.58 1.0 undecidable manual P 187 104.5176 50 0.89 16
GU.CIRO.HHZ. 2019-11-03T04:13:47.65 0.3 undecidable manual S 121 54.6009 50 -0.68 58
CH.GIMEL.HHZ. 2019-11-03T04:13:46.63 1.0 undecidable manual P 325 92.3409 50 -0.18 21
GU.LSD.HHZ. 2019-11-03T04:13:45.16 0.3 undecidable manual S 163 45.9207 50 -0.83 56
GU.RSP.HHE. 2019-11-03T04:13:45.31 1.0 undecidable manual P 163 81.8514 50 0.11 22
GU.TRAV.HHZ. 2019-11-03T04:13:44.00 0.3 undecidable manual P 122 71.6727 50 0.38 62
CH.DIX.HHZ. 2019-11-03T04:13:44.70 0.6 undecidable manual S 54 42.4242 50 -0.37 44
GU.CIRO.HHZ. 2019-11-03T04:13:41.09 0.3 undecidable manual P 121 54.6009 50 0.09 68
GU.LSD.HHZ. 2019-11-03T04:13:40.06 0.3 undecidable manual P 163 45.9207 50 0.41 65
CH.DIX.HHZ. 2019-11-03T04:13:39.23 0.6 undecidable manual P 54 42.4242 50 0.12 46
GU.REMY.HHZ. 2019-11-03T04:13:37.17 0.3 undecidable manual S 97 15.0738 123 -0.02 75
IV.MRGE.HHZ. 2019-11-03T04:13:36.34 0.3 undecidable manual S 141 12.1767 129 -0.02 75
IV.MRGE.HHZ. 2019-11-03T04:13:34.39 0.1 undecidable manual P 141 12.1767 129 0.3 94
GU.REMY.HHZ. 2019-11-03T04:13:34.87 0.1 undecidable manual P 97 15.0738 123 0.31 94
GU.BLANC.HHZ. 2019-11-03T04:13:33.86 0.1 undecidable manual S 242 2.5974 165 -0.59 89
GU.BLANC.HHZ. 2019-11-03T04:13:33.07 0.1 undecidable manual P 242 2.5974 165 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHN. ML:2.0 0.0018226594999999999 0.1216 AML other m 2019-11-03T04:13:33.93
GU.BLANC.HHE. ML:1.8 0.0012000015 0.2016 AML other m 2019-11-03T04:13:34.26
IV.MRGE.HHN. ML:1.4 0.0003011965 0.16 AML other m 2019-11-03T04:13:36.48
IV.MRGE.HHE. ML:1.4 0.0002671557 0.08 AML other m 2019-11-03T04:13:36.45
GU.REMY.HHN. ML:1.3 0.00019214970000000001 0.1408 AML other m 2019-11-03T04:13:37.28
GU.REMY.HHE. ML:1.0 0.00010485832500000001 0.1824 AML other m 2019-11-03T04:13:37.70
GU.CIRO.HHE. ML:0.6 0.000010507775500000001 1.7376 AML other m 2019-11-03T04:13:40.33
GU.LSD.HHN. ML:0.7 0.0000149890315 0.08 AML other m 2019-11-03T04:13:45.57
CH.DIX.HHE. ML:1.1 0.000038881755 0.5408 AML other m 2019-11-03T04:13:51.25
CH.DIX.HHN. ML:1.4 0.0000869558859 1.28 AML other m 2019-11-03T04:13:54.61
GU.TRAV.HHN. ML:1.0 0.000013117565 0.24 AML other m 2019-11-03T04:13:58.43
GU.BHB.HHN. ML:1.8 0.00005469524 3.0592 AML other m 2019-11-03T04:14:01.08
GU.CIRO.HHN. ML:1.0 0.000025396524999999998 1.28 AML other m 2019-11-03T04:14:01.22
GU.TRAV.HHE. ML:0.8 0.000010908771 0.4224 AML other m 2019-11-03T04:14:01.24
GU.BHB.HHE. ML:1.8 0.000049152225 3.8176 AML other m 2019-11-03T04:14:17.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download